    <% @title = 'Change password'%>
    <%= error_messages_for(:user) %>
    <%= form_tag :action => "change_password" %>
      <label for="password">旧密码:</label>
      <%= password_field_tag "old_password" %><br />
      <label for="password">新密码:</label>
      <%= password_field_tag "new_password" %><br />
      <label></label>
      <%= submit_tag "修改密码" %>
    <%= end_form_tag %>
